Anthropic's grab-bag plugin of working skills — brainstorming, planning aids and more — installable from the plugins browser.
Pick this whenYou want the vetted first-party skill set before shopping marketplaces — brainstorming alone justifies it.
What makes it different
Brainstorming skill reasons about FEASIBILITY, beyond plan mode's context-gathering
First-party: the safe default in a marketplace full of unvetted prompts
What it does
Bundles multiple skills under one plugin install
What it does not do
Common wrong expectationsDoesn't replace domain skills — it's general-purpose thinking tools
Where it sits in a stack
One of the course's three starter installs (with front-end design and Context7).
ShelfProductivity & source apps
Our status · watchCowork ships its own equivalents; relevant for Paul's Claude Code use.
Related tools
front-end-design: the other Anthropic starter plugin
Every moment the course touched it (9)
| Session | Coverage | Moment | What happened |
|---|
| Session 12: Claude Code — Design & Building Agents (App-First: a Game, a GTM Board, and a Live Deploy) | demonstrated | 1:11:55 | Anthropic plugin; brainstorming skill run on 'what can be improved in the game?' |
| Session 15: Loop, Harness & Graph Engineering (posted as 'Securing Vibe-Coded Apps') | demonstrated | 2:19:19 | 'God's skill' — install it; fired automatically inside his harness during the live graph demo |
| Session 20: Complete LinkedIn Agency Automation — Carousels + Newsletter from One Content System | demonstrated | | Present without his remembering the install; credited for spec gates, blamed for front-end degradation and Playwright loops |
| AI Sprint: Claude Code with Antigravity — Day 2 (CLAUDE.md, the 50% Context Rule, and the Sketch-to-App Build) | demonstrated | | The end-to-end dev workflow skill — brainstorm, design doc, TDD, structured execution; his global daily driver |
| AI Sprint: Windsurf & Devin — Day 2 (Building Superplexity: Plan with Opus, Execute with Cascade, Review with Devin) | demonstrated | | Obra superpowers — the interview-driven spec engine; install by pasting the GitHub link |
| Mentor Session XV: Selling Beats Building - Paul's Referral-Network Platform, Phone-Book Outbound, Give-First Communities, One Use Case Not a Hundred, and 'Know Thyself' | explained | 1:07:00 | Spec-driven harness, production work only |
| Office Hours V: Paul's Compliance Scanner Meets Firecrawl, Painkillers vs Vitamins, What a Real Second Brain Costs, and Why Selling Got Harder | mentioned | | Framework skill - don't heavily personalise |
| Session 21: Advanced Data Extraction from PDFs — Parsing, OCR, and the Token-Free Product | mentioned | | 'A really cool codebase which genuinely gives superpowers to your ChatGPT' — credited for the spec-document behavior |
| AI Sprint: Claude Code with Antigravity — Day 1 (Taste as the Moat, the Muscle-and-Mirror Setup, and the Model Council Build) | mentioned | | Teased for Day 2 alongside Claude-Mem memory management |
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